User Manual
Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 190 of 909 2019 Ambiq Micro, Inc.
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6.3.2.11 OFFSETHI Register
High order offset bytes
OFFSET: 0x00000214
INSTANCE 0 ADDRESS: 0x5000C214
Provides the high order bytes of 2 or 3 byte offset transactions of the current command. Usage of these
bytes is dependent on the offsetcnt field in the CMD register. If the offsetcnt == 3, the data located at
OFFSETHI[15:0] will first be transmitted,
6.3.2.12 CMDSTAT Register
Command status
OFFSET: 0x00000218
INSTANCE 0 ADDRESS: 0x5000C218
Provides status on the execution of the command currently in progress. The fields in this register will reflect
the real time status of the internal state machines and data transfers within the IOM.
Table 270: CMDRPT Register Bits
Bit Name Reset RW Description
31:5 RSVD 0x0 RO
RESERVED
4:0 CMDRPT 0x0 RW
Count of number of times to repeat the next command.
Table 271: OFFSETHI Register
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
RSVD OFFSETHI
Table 272: OFFSETHI Register Bits
Bit Name Reset RW Description
31:16 RSVD 0x0 RO
Reserved
15:0 OFFSETHI 0x0 RW
Holds the high order bytes of the 2 or 3 byte offset phase of a transaction.